The most common and most likely answer to this crossword clue is the 9 letter word REFLEXIVE
R
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More clues leading to the result REFLEXIVE
- Referring back to subject of Felix, ever cryptic!
- Myself, for example
- Judge to be round former mate’s without thought
- On escape around unknown island, Victor needs a particular case
- I pursue lead in interminably riotous feast, leaving unconscious
- Judge in person detaining former wife? It’s automatic
- I have a note on the British power cord on top that's self-referent
- Describing oneself maybe as fixer, lever mostly repaired
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REFLEXIVE mean?
REFLEXIVE adjective- That reflects, or redirects back to the source.
- Pondering, especially thinking back on the past.
- That reveals or shows; revealing; indicative of.
- Involving reflection.
- (grammar) Reciprocal.
- (grammar) A reflexive pronoun.
- (grammar) A reflexive verb.
- (grammar) Referring back to the subject, or having an object equal to the subject.
- Of a relation R on a set S, such that xRx for all members x of S (that is, the relation holds between any element of the set and itself).
- Of or resulting from a reflex.
- Producing immediate response, spontaneous.